US3178312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions and methods for depositing lead selenide
Assignee: Raytheon Co
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Filing: 1959-01-02
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Granted: 1965-04-13
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Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:42
CPC Classifications
C; C07; C07C; C07C391/00; C01; C01B; C01B19/00; C01B19/007; C03; C03C; C03C17/00; C03C17/22; H; H10; H10P; H10P95/00; C03C2217/00; C03C2217/20; C03C2217/28; C03C2217/287; C03C2217/289; C03C2218/00; C03C2218/10; C03C2218/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF DEPOSITING THE LEAD SELENIDE ON A SUBSTRATE COMPRISING THE STEP OF IMMERSING SAID SUBSTRATE IN A DEPOSITION BATH OF SELENOUREA, LEAD ACETATE AND POTASSIUM TRI-IODIDE WHEREIN THE ION RATI OF LEAD TO SELENIUM IS FROM 3:1 TO 5:1 AND THE ION RATIO OF LEAD TO IODIDE IS FROM 25:1 TO 300:1.
Claim 2
Independent Claim
54 words
THE METHOD OF DEPOSITING THE LEAD SELENIDE ON A SUBSTRATE COMPRISING THE STEP OF IMMERSING SAID SUBSTRATE IN A DEPOSITION BATH OF SELENOUREA, LEAD ACETATE AND POTASSIUM TRI-IODIDE WHEREIN THE ION RATI OF LEAD TO SELENIUM IS FROM 3:1 TO 5:1 AND THE ION RATIO OF LEAD TO IODIDE IS FROM 25:1 TO 300:1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |